2011-06-29_PERMIT FILE - C1981019A ‎(17)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: West Pit Ditch & Taylor Tributary Ditch Channel Designs ‎(Permanent)‎
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14C
• Media Type: D
• Archive: Yes

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Structure Detail;
Structure #14 (Riprap Channe /�
Taylor Ditch
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Mult. x
Ratio Ratio
Depth (ft) % of Depth (VxD)
3.0:1 3.0:1 13.0
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #7 (leaetated Channel)
upprmost east east
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Filename: taylor trib ditch10024.sc4 Printed 12 -12 -2010
Exh. 7- 14C -11 Revision Date: 12/31/10
Revision No.: TR -81
w/o Freeboard w/ Freeboard
Design Discharge:
12.27 cfs
Depth:
0.30 ft 1.30 ft
Top Width:
1.80 ft 7.80 ft
Velocity*:
X- Section Area:
0.27 sq ft
Hydraulic Radius:
0.143 ft
Froude Number *:
Manning's n *:
Dmin:
7.00 in
D50:
21.00 in
Dmax:
26.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #7 (leaetated Channel)
upprmost east east
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Filename: taylor trib ditch10024.sc4 Printed 12 -12 -2010
Exh. 7- 14C -11 Revision Date: 12/31/10
Revision No.: TR -81